My friend says TSA can’t make you unlock your phone. My cousin says they absolutely can at some airports. Who’s telling the truth?

My friend says TSA can’t make you unlock your phone. My cousin says they absolutely can at some airports. Who’s telling the truth?


February 25, 2026 | Allison Robertson

My friend says TSA can’t make you unlock your phone. My cousin says they absolutely can at some airports. Who’s telling the truth?


Can TSA Really Force You To Unlock Your Phone?

It sounds like something out of a spy movie. You’re standing in line at the airport, clutching your phone, when someone says TSA can demand your passcode on the spot. So is that just travel paranoia — or can it actually happen?

AirportFactinate Ltd.

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First, Let’s Separate TSA From Border Agents

This argument usually gets confusing because people lump all airport officers together. TSA officers handle security screening before your flight. Customs and Border Protection (CBP) officers handle international arrivals and border crossings. Those are two different agencies — and they operate under different legal rules.

A Transportation Security Administration agent at a checkpoint verifying passenger identification, John Glenn Columbus International AirportMichael Ball, Wikimedia Commons

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What TSA Normally Does

TSA’s job is to screen passengers and luggage for security threats. They check IDs, scan bags, and run items through X-ray machines. In routine domestic travel, TSA does not typically search the contents of your phone. Their focus is physical security — not digital data.

LAS VEGAS (February 6, 2024) Employees with the Transportation Security Administration are seen working at the Harry Reid International Airport in Las Vegas, Nevada. DHS is working with the NFL, Nevada, and Las Vegas partners to secure Super Bowl LVIII. (DHS photo by Tia Dufour)DHSgov, Wikimedia Commons

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Can TSA Ask You To Unlock Your Phone?

In standard domestic airport screening, TSA does not have general authority to demand that you unlock your phone just to board a flight. They’re not conducting criminal investigations or border searches during normal screening.

LAS VEGAS (February 6, 2024) Employees with the Transportation Security Administration are seen working at the Harry Reid International Airport in Las Vegas, Nevada. DHS is working with the NFL, Nevada, and Las Vegas partners to secure Super Bowl LVIII. (DHS photo by Tia Dufour)DHSgov, Wikimedia Commons

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So Where Did This Rumor Come From?

Here’s where your cousin may have picked up the story: airports that handle international travel often involve CBP officers. And CBP does have broader search authority at U.S. borders and ports of entry — including international airports.

woman in black crew neck t-shirt standing beside woman in white t-shirtCDC, Unsplash

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Border Searches Are Different

Under U.S. law, border agents can conduct searches without a warrant at the border or its functional equivalent (like international airport arrival areas). Courts have generally allowed CBP to inspect electronic devices under this “border search exception.”

A U.S. Customs and Border Protection Office of Field Operations agriculture specialist searches the luggage of international travelers arriving at Baltimore/Washington International Thurgood Marshall Airport February 27, 2025. CBP Photo by Glenn FawcettCBP Photography, Wikimedia Commons

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What That Means For Your Phone

If you’re arriving from another country, CBP officers can request to inspect your device. That may include asking you to unlock it. Refusing can lead to delays, additional questioning, or even seizure of the device.

A U.S. Customs and Border Protection officer processes travelers arriving on international flights at Baltimore/Washington International Thurgood Marshall Airport February 27, 2025. CBP Photo by Glenn FawcettCBP Photography, Wikimedia Commons

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Does This Apply To Domestic Flights?

No — not in the same way. If you’re flying from Chicago to Denver, TSA screening is not the same as entering the country from abroad. TSA officers do not routinely search phone data during domestic travel security checks.

Brisbane Airport Domestic Terminal, May 2021Kgbo, Wikimedia Commons

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Can You Refuse?

At the border, you technically can refuse to unlock your phone. However, refusal may result in your device being detained for further inspection. For U.S. citizens, entry into the country cannot be denied — but delays can absolutely happen.

A U.S. Customs and Border Protection officer instructs travelers to wait as he processes passengers arriving on international flights at Baltimore/Washington International Thurgood Marshall Airport February 27, 2025. CBP Photo by Glenn FawcettCBP Photography, Wikimedia Commons

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What About Non-Citizens?

For non-U.S. citizens, the situation can be more complicated. Refusal to comply with a border device search request could affect entry decisions. CBP officers have significant discretion at ports of entry.

A U.S. Customs and Border Protection officer processes travelers arriving on international flights at Baltimore/Washington International Thurgood Marshall Airport February 27, 2025. CBP Photo by Glenn FawcettCBP Photography, Wikimedia Commons

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Do They Need A Warrant?

For basic border searches of devices, courts have often ruled that a warrant is not required. However, more invasive forensic searches (deep data extraction) may require additional legal justification depending on jurisdiction.

U.S. Customs and Border Protection agriculture specialists search luggage of arriving international passengers for prohibited agriculture products at Philadelphia International Airport in Philadelphia, Pa., July 29, 2024. CBP Photo by Glenn Fawcett
NOTE: Minimal blurring applied to protect PIICBP Photography, Wikimedia Commons

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What Happens In Practice?

Device searches at airports are relatively rare compared to total passenger volume — but they do happen. They’re more common during international arrivals than at domestic TSA checkpoints.

U.S. Customs and Border Protection officers process passengers arriving to the U.S. on international flights at Baltimore/Washington International Thurgood Marshall Airport February 27, 2025. CBP Photo by Glenn FawcettCBP Photography, Wikimedia Commons

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Why Airports Create Confusion

When people say “TSA searched my phone,” they may actually be referring to CBP at an international airport. Because both agencies operate inside airports, stories get blended together — and the rules seem inconsistent.

U.S. Customs and Border Protection agriculture specialists search luggage of arriving international passengers for prohibited agriculture products at Philadelphia International Airport in Philadelphia, Pa., July 29, 2024. CBP Photo by Glenn FawcettCBP Photography, Wikimedia Commons

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Does Airport Location Matter?

Yes — but not because some airports have “stricter TSA.” The difference usually depends on whether you’re going through international customs or crossing a U.S. border. The legal authority changes at that point.

A U.S. Customs and Border Protection officer processes arriving international passengers at Phoenix Sky Harbor International Airport in Phoenix, Ariz., December 11, 2024. CBP Photo by Jerry GlaserCBP Photography, Wikimedia Commons

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Are There Privacy Protections?

There are policies limiting how long CBP can retain data and how searches are conducted. However, privacy advocates continue to debate and challenge the scope of electronic device searches at the border.

People sitting in an airport lounge, focused on smartphones and waiting for flights.Kelly, Pexels

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What Should Travelers Know?

If you’re traveling domestically, TSA is focused on physical security screening. If you’re entering the U.S. from abroad, understand that border agents have broader authority. Knowing which agency you’re dealing with matters more than the airport itself.

A woman sitting with her laptop and luggage, holding a passport, waiting in an airport terminal.Gustavo Fring, Pexels

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So… Who’s Telling The Truth?

Your friend is mostly right for standard domestic TSA screening — they generally can’t force you to unlock your phone just to board a flight. Your cousin is right in the context of international arrivals, where border agents can request device access.

Crowded airport terminal with travellers in line. Indoor setting with modern architecture.Connor Danylenko, Pexels

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The Bottom Line

It’s not about “some airports” being stricter. It’s about whether you’re at a border checkpoint. TSA screening and border inspections follow different rules — and that’s where the confusion starts.

A U.S. Customs and Border Protection officer processes arriving international passengers at Phoenix Sky Harbor International Airport in Phoenix, Ariz., December 11, 2024. CBP Photo by Jerry GlaserCBP Photography, Wikimedia Commons

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